﻿using System;
using System.Collections.Generic;
using System.Text;
using System.Web;

namespace WinePro.Logic
{

    public class CookiesHelper
    {

        #region 获取Cookie

        ///

        /// 获得Cookie的值

        public static string GetCookieValue(string cookieName)
        {

            return GetCookieValue(cookieName, null);

        }

        ///

        /// 获得Cookie的值

        public static string GetCookieValue(string cookieName, string key)
        {

            HttpRequest request = HttpContext.Current.Request;

            if (request != null)

                return GetCookieValue(request.Cookies[cookieName], key);

            return "";

        }

        ///

        /// 获得Cookie的子键值

        public static string GetCookieValue(HttpCookie cookie, string key)
        {

            if (cookie != null)
            {

                if (!string.IsNullOrEmpty(key) && cookie.HasKeys)

                    return cookie.Values[key];

                else

                    return cookie.Value;

            }

            return "";

        }

        ///

        /// 获得Cookie
        public static HttpCookie GetCookie(string cookieName)
        {

            HttpRequest request = HttpContext.Current.Request;

            if (request != null)

                return request.Cookies[cookieName];

            return null;

        }

        #endregion

        #region 删除Cookie

        ///

        /// 删除Cookie
        public static void RemoveCookie(string cookieName)
        {

            RemoveCookie(cookieName, null);

        }

        ///

        /// 删除Cookie的子键

        public static void RemoveCookie(string cookieName, string key)
        {

            HttpResponse response = HttpContext.Current.Response;

            if (response != null)
            {

                HttpCookie cookie = response.Cookies[cookieName];

                if (cookie != null)
                {

                    if (!string.IsNullOrEmpty(key) && cookie.HasKeys)

                        cookie.Values.Remove(key);

                    else

                        response.Cookies.Remove(cookieName);

                }

            }

        }

        #endregion

        #region 设置/修改Cookie

        ///

        /// 设置Cookie子键的值

        public static void SetCookie(string cookieName, string key, string value)
        {

            SetCookie(cookieName, key, value, null);

        }

        ///

        /// 设置Cookie值

        public static void SetCookie(string key, string value)
        {

            SetCookie(key, null, value, null);

        }

        ///

        /// 设置Cookie值和过期时间

        public static void SetCookie(string key, string value, DateTime expires)
        {

            SetCookie(key, null, value, expires);

        }

        ///

        /// 设置Cookie过期时间
        public static void SetCookie(string cookieName, DateTime expires)
        {

            SetCookie(cookieName, null, null, expires);

        }

        ///

        /// 设置Cookie

        public static void SetCookie(string cookieName, string key, string value, DateTime? expires)
        {

            HttpResponse response = HttpContext.Current.Response;

            if (response != null)
            {

                HttpCookie cookie = response.Cookies[cookieName];

                if (cookie != null)
                {

                    if (!string.IsNullOrEmpty(key) && cookie.HasKeys)

                        cookie.Values.Set(key, value);

                    else

                        if (!string.IsNullOrEmpty(value))

                            cookie.Value = value;

                    if (expires != null)

                        cookie.Expires = expires.Value;

                    response.SetCookie(cookie);

                }

            }

        }

        #endregion

        #region 添加Cookie

        ///

        /// 添加Cookie
        public static void AddCookie(string key, string value)
        {

            AddCookie(new HttpCookie(key, value));

        }

        ///

        /// 添加Cookie

        public static void AddCookie(string key, string value, DateTime expires)
        {

            HttpCookie cookie = new HttpCookie(key, value);

            cookie.Expires = expires;

            AddCookie(cookie);

        }

        /// 添加为Cookie.Values集合

        public static void AddCookie(string cookieName, string key, string value)
        {

            HttpCookie cookie = new HttpCookie(cookieName);

            cookie.Values.Add(key, value);

            AddCookie(cookie);

        }

        ///

        /// 添加为Cookie集合

        ///

        /// Cookie名称

        /// 过期时间

        public static void AddCookie(string cookieName, DateTime expires)
        {

            HttpCookie cookie = new HttpCookie(cookieName);

            cookie.Expires = expires;

            AddCookie(cookie);

        }

        /// 添加为Cookie.Values集合

        public static void AddCookie(string cookieName, string key, string value, DateTime expires)
        {

            HttpCookie cookie = new HttpCookie(cookieName);

            cookie.Expires = expires;

            cookie.Values.Add(key, value);

            AddCookie(cookie);

        }
        /// 添加Cookie

        public static void AddCookie(HttpCookie cookie)
        {

            HttpResponse response = HttpContext.Current.Response;

            if (response != null)
            {

                //指定客户端脚本是否可以访问[默认为false]

                cookie.HttpOnly = true;

                //指定统一的Path，比便能通存通取

                cookie.Path = "/";

                //设置跨域,这样在其它二级域名下就都可以访问到了

                //cookie.Domain = "chinesecoo.com";

                response.AppendCookie(cookie);

            }

        }

        #endregion

    }

}